South Service Road near I-70 -- Lake Saint Louis, MO

Melonie Reeves, 39, was driving eastbound on Veterans Memorial Parkway near Interstate 70 when the vehicles crashed around 9:15 p.m. Reeves was airlifted to a local hospital with moderate injuries.

Three firefighters were also taken to a hospital with minor injuries. One firefighter was treated and releasedafter less than an hour. Fire officials said they were hospitalized as a precautionary measure.

A fire department spokesman says the fire pumper truck was returning to the fire house and did not have on its lights and siren.

Reeves' vehicle, a 2010 Ford Fusion, was totaled in the crash, while the fire truck sustained moderate damage.